package com.study.cloudAlibaba.service;

import com.study.cloudAlibaba.domain.Account;

import java.math.BigDecimal;
import java.util.List;

/**
 * @author lzc
 * @date 2022/7/29 16:59
 */
public interface AccountService {
    void decrease(Long userId, BigDecimal money);

    List<Account> list();
}
